Galaxy S21 FE 5G vs Galaxy Z Fold4
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Galaxy S21 FE 5G
Starting at
£157.11£699.00 new
Galaxy Z Fold4
Starting at
£419.00What's the difference between the Galaxy S21 FE 5G and Galaxy Z Fold4?
Galaxy S21 FE 5G vs Z Fold4 comes down to the chipset, RAM and battery. Refurbished, the Galaxy S21 FE 5G starts at £157.11, £261.89 less than the Galaxy Z Fold4.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Qualcomm SM8350 Snapdragon 888 5G (5 nm), Exynos 2100 (5 nm) on the Galaxy S21 FE 5G, Snapdragon 8+ Gen 1 SM8475 (4 nm) on the Galaxy Z Fold4.
- The Galaxy Z Fold4 has more RAM: 12 GB vs 6 GB.
- The Galaxy S21 FE 5G has a bigger battery: 4500 mAh vs 4400 mAh.
Galaxy S21 FE 5G vs Galaxy Z Fold4 specs
The Galaxy S21 FE 5G and Galaxy Z Fold4 both run Android and were released in 2022, but they serve different user needs. The Galaxy S21 FE 5G is a more traditional smartphone with a 6.4 inch screen and 6 GB of RAM, suited to everyday use with a sharp front camera and a battery that lasts through the day. The Galaxy Z Fold4 offers a foldable 7.6 inch screen, twice the RAM at 12 GB, and a high-resolution 50 megapixel main camera, ideal for multitasking and detailed photography. Buyers who want a larger, flexible display and more storage options might prefer the Z Fold4, while those looking for a straightforward phone with good front camera quality and a lighter device may find the S21 FE 5G a better fit.
Galaxy S21 FE 5G vs Galaxy Z Fold4 price
Colour
- GreyStarting at £157.11
- GreenStarting at £172.04
- PurpleStarting at £188.49
- Dark BlueStarting at £195.84
- WhiteStarting at £189.75
- BlackSold out
- Dark redSold out
- BeigeSold out
- GreySold out
- GraySold out
Storage
- 256GBSold out
- 512GBSold out
- 1TBSold out
Galaxy S21 FE 5G vs Galaxy Z Fold4 battery life and software updates
Durability covers how long the device lasts on a charge and how it handles daily wear. Battery size and foldability affect how you use each phone throughout your day.
Battery Capacity
The Galaxy S21 FE 5G has a 4500 mAh battery, slightly larger than the Galaxy Z Fold4's 4400 mAh. This means the S21 FE 5G may offer a bit more time between charges, which suits users who prioritise longer battery life.
Foldable Design
The Galaxy Z Fold4 features a foldable screen, allowing it to switch between a compact phone and a larger tablet-like display. This suits users who want more screen space for multitasking or media without carrying two devices. The Galaxy S21 FE 5G has a standard non-foldable screen for those preferring a simple, traditional phone shape.
Battery
Fast charging
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S21 FE 5G vs Galaxy Z Fold4 performance
Performance impacts how smoothly your phone runs apps and handles multitasking. The chipset, RAM, and storage options available shape how each device performs under different workloads.
Processor Power
The Galaxy S21 FE 5G comes with either a Snapdragon 888 or Exynos 2100 chipset, while the Galaxy Z Fold4 uses the Snapdragon 8+ Gen 1. The Z Fold4's chipset is built on a smaller 4 nm process, which can provide efficient and powerful performance for demanding apps.
Memory For Multitasking
With 6 GB of RAM, the Galaxy S21 FE 5G handles everyday apps well. The Galaxy Z Fold4 doubles that with 12 GB of RAM, keeping more apps and tabs open simultaneously, which benefits users who switch between tasks frequently.
Storage Options
The Galaxy S21 FE 5G is available in 128GB and 256GB versions, covering most daily storage needs. The Galaxy Z Fold4 offers 256GB, 512GB, and 1TB options, giving more room for large files, apps, and media, ideal for users needing extra space.
Chipset
RAM
Galaxy S21 FE 5G vs Galaxy Z Fold4 screen
Screen quality influences your viewing experience for videos, reading, and gaming. Both phones offer smooth 120 Hz refresh rates but differ in size and resolution, affecting how much you see and how sharp it looks.
Screen Size And Type
The Galaxy S21 FE 5G has a 6.4 inch Dynamic AMOLED 2X screen, offering clear visuals in a traditional phone size. The Galaxy Z Fold4 features a larger 7.6 inch foldable Dynamic AMOLED 2X screen, giving more room for watching videos or using multiple apps side by side.
Resolution
The Galaxy S21 FE 5G's screen resolution is 1080 by 2340 pixels, delivering sharp images suitable for everyday use. The Galaxy Z Fold4 has a resolution of 1812 by 2176 pixels, providing a higher pixel density on its larger screen, which benefits users who want detailed visuals.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S21 FE 5G vs Galaxy Z Fold4 camera
Audiovisual features include cameras that capture photos and videos. The front and main camera specifications show the focus each device has for selfies or detailed photography.
Front Camera
The Galaxy S21 FE 5G has a 32 megapixel front camera, suitable for high-resolution selfies and video calls. The Galaxy Z Fold4 uses a 4 megapixel front camera, which may be enough for basic video calls but offers fewer details for selfies.
Main Camera
The Galaxy Z Fold4's main camera has 50 megapixels, capturing highly detailed photos, ideal for users who prioritise photography. The Galaxy S21 FE 5G has a 12 megapixel main camera, which suits everyday photo needs and social media sharing.
Front camera
Main camera
Galaxy S21 FE 5G vs Galaxy Z Fold4 size and design
Other features affect how you use the phone day to day, including size, weight, connectivity, and SIM options. These details help match the device to your lifestyle and preferences.
Physical Dimensions And Weight
The Galaxy S21 FE 5G measures 155.7 mm by 74.5 mm by 7.9 mm and weighs 177 g, making it compact and light for comfortable one-handed use. The Galaxy Z Fold4 is larger and heavier at 155.1 mm by 130.1 mm by 6.3 mm and 263 g, reflecting its foldable design and bigger screen.
SIM Card Options
The Galaxy S21 FE 5G supports dual physical SIM cards, which is useful for managing two phone numbers. The Galaxy Z Fold4 adds eSIM support alongside dual physical SIMs, allowing more flexibility for users who want to switch networks without changing physical SIM cards.
Storage Expandability
Neither device includes an SD card slot for storage expansion, so storage depends on the internal options you choose when buying.
Connector Type
Both devices use USB Type-C connectors for charging and data transfer, which is a common standard for modern phones.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S21 FE 5G or Galaxy Z Fold4: which should you buy?
Buy the Galaxy S21 FE 5G if
- you want to spend less: it starts at £157.11, £261.89 less than the Galaxy Z Fold4
- you want a bigger battery (4500 mAh vs 4400 mAh)
- you want a higher-resolution front camera (32 megapixels vs 4 megapixels)
Buy the Galaxy Z Fold4 if
- you want more RAM (12 GB vs 6 GB)
- you want a bigger screen (7.6 inch vs 6.4 inch)
- you want a higher-resolution main camera (50 megapixels vs 12 megapixels)
What our customers say
Customers of the Galaxy S21 FE 5G often praise the phone for looking and working like new despite being refurbished. Many say it has a great battery life and the front camera impresses, making it a reliable everyday phone. Some buyers mention minor scratches but find these easy to manage with cases or screen protectors. A few customers had issues with faulty charging or WiFi, but most report smooth performance and satisfaction with the phone's condition and price.
The Galaxy Z Fold4 receives high marks for its condition and performance. Customers note the foldable screen works perfectly and the phone looks almost brand new. Battery life performs well even with heavy use, and the phone handles tasks quickly thanks to its memory and chipset. Some mention the crease on the folding screen is visible but not distracting. Overall, users appreciate the phone's size and camera quality, calling it a substantial upgrade.
The Galaxy S21 FE 5G suits buyers who want a straightforward smartphone with a strong front camera and manageable size. The Galaxy Z Fold4 is ideal for those who value a larger, foldable display, more memory, and a high-resolution main camera for photography or multitasking.
Galaxy S21 FE 5G vs Galaxy Z Fold4 FAQs
Galaxy S21 FE 5G vs Z Fold4 comes down to the chipset, RAM and battery. Chipset: Qualcomm SM8350 Snapdragon 888 5G (5 nm), Exynos 2100 (5 nm) on the Galaxy S21 FE 5G, Snapdragon 8+ Gen 1 SM8475 (4 nm) on the Galaxy Z Fold4. The Galaxy Z Fold4 has more RAM: 12 GB vs 6 GB.
The Galaxy S21 FE 5G is cheaper refurbished, from £157.11 compared with £419 for the Galaxy Z Fold4.
The Galaxy S21 FE 5G has a bigger battery: 4500 mAh vs 4400 mAh.
The Galaxy Z Fold4 has a higher-resolution main camera: 50 megapixels vs 12 megapixels.
The Galaxy S21 FE 5G gets updates until Jan 2027. The Galaxy Z Fold4 gets updates until Aug 2027.
Refurbished, the Galaxy S21 FE 5G comes in 128GB and 256GB, and the Galaxy Z Fold4 in 256GB, 512GB and 1TB.







